1G4V	Transferase	date	Oct 28, 2000
title	Aspartate Aminotransferase Active Site Mutant N194ay225f
authors	H.Mizuguchi, H.Hayashi, K.Okada, I.Miyahara, K.Hirotsu, H.Kagamiy
compound		source
Molecule: Aspartate Aminotransferase Chain: A Ec: 2.6.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 2 2 21	R_factor 0.209 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 155.300 87.100 79.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PLP	enzyme	Transferase E.C.2.6.1.1 BRENDA
related structures	by homologous chain: 1AHX, 1SPA
Gene Ontology	Chain Function Process Component A
Primary reference	Strain is more important than electrostatic interaction in controlling the pKa of the catalytic group in aspartate aminotransferase., Mizuguchi H, Hayashi H, Okada K, Miyahara I, Hirotsu K, Kagamiyama H, Biochemistry 2001 Jan 16;40(2):353-60. PMID:11148029

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (1g4v.pdb1.gz) 129 Kb LPC: Ligand-Protein Contacts for 1G4V CSU: Contacts of Structural Units for 1G4V Likely Quarternary Molecular Structure file(s) for 1G4V Retrieve 1G4V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1G4V from S2C, [Save to disk]

View 1G4V in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1G4V

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1G4V, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1g4va_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1g4v] [1g4v_A] SWISS-PROT database: [P00509] Domain organization of [AAT_ECOLI] by SWISSPFAM

Other resources with information on 1G4V

Community annotation for 1G4V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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